A MYSTERIOUS cosmic object has been spotted zooming through our solar system – and astronomers say it is only the third of ...

Though 3I/ATLAS will never come close to Earth, its passage offers a rare chance to study material beyond our solar system ...

Close stellar encounters could change the structure of our planetary system, potentially dooming Earth or other worlds to ...

Astronomers have observed an object that originated from beyond our solar system, thought to be an interstellar comet, ...

NASA telescopes in Chile have discovered a comet from interstellar space, making its closest approach in October.

An object from another star has been seen entering the solar system at high speed, and is expected to whip around the sun in ...

NASA has discovered a new interstellar comet that's currently located about 420 million miles away from Earth. The space ...

Stars passing close to the sun could cause planets to collide, including with Earth, or even be ejected as rogue planets, new simulations show. By Katherine Kornei If our species manages to hang ...

Officially named 3I/ATLAS, the comet was confirmed as having originated outside of Earth's solar system on July 3, according ...

An "interstellar object" is speeding toward the inner solar system, where Earth is located, astronomers have confirmed.